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Acquisition
An oscilloscope must have enough representation, measured at bandwidth and sampling rate, to accurately capture the signal. RIGOL has intelligently charted a diversity of front-end signal conditioning circles that are optimized for varying bandwidths up to 300 MHz, the highest bandwidth accessible for oscilloscopes under $2000.
The most doubtful specification to be considered when deciding on the right oscilloscope for your petition is an oscilloscope's sampling rate. Many contractors will try and sell customers on the prelude that their scope has the highest sampling rate available. However, the notion that "the higher the sampling rate, the better the oscilloscope" is a fable when considering the application the oscilloscope is designed for along to its bandwidth limitations.
So what are the truths?
If you are acquiring a signal only once (i.e. single shot), you need at fewest double the sampling rate for that of the highest frequency in your signal. This is based on the "Nyquist" theorem, which is a generally adopted conviction engineers emulate when acting analog to digital conversions. The Nyquist theorem indicates a element of twice the bandwidth in sampling rate is ample in acquiring and converting a signal.
However, some oscilloscopes manufacturers suggest that you need 10 times the sample rate of the bandwidth. While this may be fine [link widoczny dla zalogowanych], it is certainly no necessary to accurately acquire and display a signal under test. Too much sampling rate may only steer up the spend of your oscilloscope.
Rigol's product are engineered to a sampling rate of 3 to 5 times the bandwidth of the oscilloscope and use a Sinx/x percolate that does a great job of recreating the signal. The end result from Rigol is an oscilloscope that is optimized for performance, allowing customers to lest the unnecessary expense for surplus digitizing that brings little incremental convenience.
2.) Event IsolationThe real power of a digital oscilloscope is in its ability to seclude and store events. This functionality offers amazing amount during troubleshooting and the cornerstone of isolating an event is triggering. RIGOL oscilloscopes have been designed from the inception to provide powerful and cozy triggering options that make isolating events a breeze.
Rigol oscilloscopes offer several triggering modes:
1. Edge Triggering - Triggering on a rising or falling corner at a definite voltage.
2. Pulse Triggering - Triggering to a assured or negative pulse namely namely present for a user-defined time [link widoczny dla zalogowanych], favor Glitch triggering.
3. Slope Triggering - Triggering when the incline of a signal conversion is faster or slower than the user defined setting. Slope triggering is quite serviceable in looking at tri-state conditions.
4. Pattern Triggering - When using a RIGOL Mixed Signal Oscilloscope (MSO) you can trigger on any pattern of 1, 0s from the 16 inputs on the MSO.
5. Alternate Triggering - Triggering along two channels apt provide a true twin time pedestal where each outlet tin sample at different rates based ashore their set-up.
Rigol's oscilloscope triggering capabilities are the most mighty of whichever oscilloscope under $2000.
3.) Viewing Display
When it comes to oscilloscopes, the display is the last fussy component of a superb viewing tool. Rigol incorporates a TFT color display in entire their productions, which provide a superior color, sunshine and viewing angle than that of the standard and fewer priceless LCD display.
Critical to one oscilloscope's outlooking display performance is the Update Rate. Most purchasers would like a real time and responsive feel when using a digital oscilloscope to acquire a signal. RIGOL has optimized their update rate to fulfill 1000 waveforms per second and their newest oscilloscopes realizing 2000 waveforms per second with the increase of an FPGA.
In Conclusion:
The base line is that RIGOL takes viewing signals seriously a